. >>> a new chapter begins today in afghanistan. general petraeus will relinquish his post to lieutenant-general john allen. general petraeus will retire at the end of august and start his new job as head of the cia on september 5. nato prepares to hand over provincial security to afghan forces. >>> temperatures holding at 71 degrees, 5;06. >> speculation begins after the acquitted florida mother casey anthony please tell -- leaves jail. >> a morale boost for the nation that has been in mourning for months. it comes at the expense of the [ child's voice ] ooh, that looks good. [ child's voice ] can i have some? [ child's voice ] you guys should rock paper, scissors for it. ok. [ chuckles ] best of three? sure. one-two-three-shoot. one-two-three-shoot. [ scoffs ] one-two-three-shoot. one-two-three-shoot. one-two-three-shoot. one-two-three-shoot. i win! oh, man. [ muffled ] congratulations. [ male announcer ] get your own bbq pulled pork sub at subway®. tender, slow-cooked pork with irresistibly bold barbecue sauce. subway. eat fresh